Quick answers
- Does Nadarajah Vigneswaran accept Medicare assignment?
- Yes. Medicare's clinician data says Nadarajah Vigneswaran accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Nadarajah Vigneswaran see?
- In 2024, CMS data shows 113 Original Medicare patients and 198 services for Nadarajah Vigneswaran. This counts Original Medicare only and measures volume, not quality.
- What is Nadarajah Vigneswaran's NPI number?
- 1750475224. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nadarajah Vigneswaran, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 113 |
|---|---|
| Services billed to Medicare | 198 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)62 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)20 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)18 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)14 services
- Screening examination of specimen cells, screening and interpretation (88160)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis39%
- Anxiety28%
- Ischemic heart disease27%
- Depression25%
Practice locations
Addresses where Nadarajah Vigneswaran is enrolled with Medicare (CMS data updated October 2, 2026).
- 1515 Holcombe BlvdHouston, TX 77030 (713) 792‑2121
- 6410 Fannin StHouston, TX 77030
- 6411 Fannin StHouston, TX 77030 (713) 704‑4000
- 6431 Fannin StHouston, TX 77030 (713) 500‑5301
- 6431 Fannin St, Msb 2 136Houston, TX 77030
Group practices
Medicare enrollment lists Nadarajah Vigneswaran as a member of these groups (CMS data updated October 2, 2026).
- Physicians Referral Service2,765 clinicians in the group
- UT Physicians1,765 clinicians in the group
- University of Texas Health Science Center at Houston47 clinicians in the group
Specialties
- Oral Surgeryprimary
Other oral surgeons in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Physicians Referral Service
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 1997 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750475224 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians